Mirrors/cartreader
2
0
Fork 0
mirror of https://github.com/sanni/cartreader.git synced 2024-11-27 23:14:14 +01:00
Code Issues Projects Releases Wiki Activity

V30K: Add Momotaro Dentetsu Happy detection

Browse Source 
and also the updated checksum calculation out of skaman's enhanced snes sketch
This commit is contained in:
sanni 2018-03-19 12:24:13 +01:00 committed by GitHub
parent 742e96151a
commit 2c2eb0e8bd
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 54 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
Cart_Reader/Cart_Reader.ino
View File

@ -2,8 +2,8 @@
Cartridge Reader for Arduino Mega2560
Author: sanni
Date: 2018-03-12
Version: V30J
Date: 2018-03-19
Version: V30K
SD lib: https://github.com/greiman/SdFat
LCD lib: https://github.com/adafruit/Adafruit_SSD1306
@ -35,7 +35,7 @@
infinest - help with GB Memory cart
**********************************************************************************/
char ver[5] = "V30J";
char ver[5] = "V30K";
/******************************************
Define Starting Point

2
Cart_Reader/MD.ino
View File

@ -122,7 +122,7 @@ void setup_MD() {
DDRL = 0xFF;
// Set Control Pins to Output RST(PH0) CS(PH3) WRH(PH4) WRL(PH5) OE(PH6)
DDRH |= (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
DDRH |= (1 << 0) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
// Set TIME(PJ0) to Output
DDRJ |= (1 << 0);

109
Cart_Reader/SNES.ino
View File

@ -486,8 +486,10 @@ void getCartInfo_SNES() {
println_Msg(F("RAM GBoy"));
else if (romChips == 246)
println_Msg(F("DSP2"));
else if (romChips == 245)
println_Msg(F("SPC RAM BATT"));
else if (romChips == 249)
println_Msg(F("SPC RAM BATT RTC"));
println_Msg(F("SPC RAM RTC"));
else
println_Msg(F(""));
@ -600,19 +602,20 @@ boolean checkcart_SNES() {
// Check RomChips
romChips = readBank_SNES(0, 65494);
if (romChips == 69)
{
if (romChips == 69) {
romSize = 48;
numBanks = 96;
romType = HI;
}
else if ((romChips == 249) && (romType == HI)) // SPC7110
{
else if ((romChips == 245) && (romType == HI)) {
romSize = 24;
numBanks = 48;
}
else if ((romChips == 249) && (romType == HI)) {
romSize = 40;
numBanks = 80;
}
else
{
else {
// Check RomSize
byte romSizeExp = readBank_SNES(0, 65495) - 7;
romSize = 1;
@ -747,31 +750,19 @@ unsigned int calc_checksum (char* fileName, char* folder) {
}
calcChecksum += 0xF47C; // FFs from 0x60000-0x80000
}
else if (calcFilesize == 12 || calcFilesize == 20) {
// Divide filesize by 8 to get number of 8Mbit chunks
for (i = 0; i < (calcFilesize / 8); i++ ) {
// Add all the bits in the 8Mbit chunks
for (j = 0; j < (1048576 / 512); j++) {
myFile.read(sdBuffer, 512);
for (c = 0; c < 512; c++) {
calcChecksumChunk += sdBuffer[c];
}
}
calcChecksum = calcChecksumChunk;
}
calcChecksumChunk = 0;
// Add the 4Mbit rest
for (j = 0; j < (524288 / 512); j++) {
myFile.read(sdBuffer, 512);
for (c = 0; c < 512; c++) {
calcChecksumChunk += sdBuffer[c];
}
}
calcChecksum += 2 * calcChecksumChunk;
}
else if (calcFilesize == 24 || calcFilesize == 28) {
/* Momotarou Dentestu Happy Fix 3MB (24Mbit)
if ((calcFilesize == 24) && (romSizeExp = 0x0C)) {
else if ((calcFilesize == 10) || (calcFilesize == 12) || (calcFilesize == 20) || (calcFilesize == 24)) {
unsigned long calcBase = 0;
unsigned long calcMirror = 0;
byte calcMirrorCount = 0;
if (calcFilesize > 16)
calcBase = 2097152;
else
calcBase = 1048576;
calcMirror = myFile.fileSize() - calcBase;
calcMirrorCount = calcBase / calcMirror;
// Momotarou Dentetsu Happy Fix 3MB (24Mbit)
if ((calcFilesize == 24) && (romChips == 245)) {
for (i = 0; i < (myFile.fileSize() / 512); i++) {
myFile.read(sdBuffer, 512);
for (c = 0; c < 512; c++) {
@ -779,29 +770,26 @@ unsigned int calc_checksum (char* fileName, char* folder) {
}
}
calcChecksum = 2 * calcChecksumChunk;
}
else {*/
for (i = 0; i < (calcFilesize / 16); i++ ) {
// Add all the bits in the 16Mbit chunks
for (j = 0; j < (2097152 / 512); j++) {
}
else {
// Base 8/16 Mbit chunk
for (j = 0; j < (calcBase / 512); j++) {
myFile.read(sdBuffer, 512);
for (c = 0; c < 512; c++) {
calcChecksumChunk += sdBuffer[c];
}
}
calcChecksum = calcChecksumChunk;
}
calcChecksumChunk = 0;
// Add the 8Mbit rest
for (j = 0; j < (1048576 / 512); j++) {
myFile.read(sdBuffer, 512);
for (c = 0; c < 512; c++) {
calcChecksumChunk += sdBuffer[c];
calcChecksumChunk = 0;
// Add the mirrored chunk
for (j = 0; j < (calcMirror / 512); j++) {
myFile.read(sdBuffer, 512);
for (c = 0; c < 512; c++) {
calcChecksumChunk += sdBuffer[c];
}
}
calcChecksum += calcMirrorCount * calcChecksumChunk;
}
calcChecksum += 2 * calcChecksumChunk;
//}
}
else if ((calcFilesize == 40) && (romChips == 85)) {
// Daikaijuu Monogatari 2 Fix 5MB (40Mbit)
@ -857,9 +845,11 @@ unsigned int calc_checksum (char* fileName, char* folder) {
sd.chdir();
return (calcChecksum);
}
// Else show error
else {
print_Error(F("DUMP ROM 1ST"), false);
// Else show error
display.println(F("ERROR"));
display.println(F("DUMP ROM 1ST"));
display.display();
return 0;
}
}
@ -962,14 +952,6 @@ void readROM_SNES() {
}
}
// Dump High-type ROM
else if (((romType == HI) || (romType == SA) || (romType == EX)) && ((romChips != 69) && (romChips != 249))) {
println_Msg(F("Dumping HiRom..."));
display_Update();
readHiRomBanks( 192, numBanks + 192, &myFile );
}
// Dump SDD1 High-type ROM
else if ((romType == HI) && (romChips == 69)) {
println_Msg(F("Dumping SDD1 HiRom"));
@ -1005,7 +987,7 @@ void readROM_SNES() {
display_Update();
// 0xC00000-0xDFFFFF
print_Msg(F(" Part 1"));
print_Msg(F("Part 1"));
display_Update();
readHiRomBanks( 192, 224, &myFile );
@ -1039,10 +1021,11 @@ void readROM_SNES() {
controlIn_SNES();
// 0xF00000-0xFFFFFF
println_Msg(F(" 4"));
print_Msg(F(" 4"));
display_Update();
readHiRomBanks( 240, 256, &myFile );
}
println_Msg(F(""));
// Return mapping registers to initial settings...
dataOut();
@ -1056,6 +1039,14 @@ void readROM_SNES() {
}
}
// Dump standard High-type ROM
else if ((romType == HI) || (romType == SA) || (romType == EX)) {
println_Msg(F("Dumping HiRom..."));
display_Update();
readHiRomBanks( 192, numBanks + 192, &myFile );
}
// Close the file:
myFile.close();
}